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infant emotional development

Finally, infants begin displaying signs of the emotion of
fear by their fourth to sixth month; a
fearful response to novelty—
i.e., to events that are moderately discrepant from the infant’s knowledge—can be observed as early as four months. If an infant at that age hears a voice speaking sentences but there is no face present, he may show a
fearful facial expression and begin...

research by Grandin

Grandin possessed an awareness that intense
fear, born of a hypersensitivity to sound and touch, is common both to autistic people and to animals, and she devoted her life to devising systems to alleviate the anxiety of both groups. While still in high school, she designed a “squeeze machine” to relieve her own nervous tension, modeling it on a chute fashioned to hold livestock in...

role in

collective behaviour

The word panic is often applied to a strictly individual, maladaptive reaction of flight, immobility, or disorganization stemming from intense
fear. For example, a student “panics” during an examination and is unable to call upon his knowledge in answering questions, or a disaster victim in a situation of mild danger panics and flees into much greater danger. Individual panic...

laughter

...that psychologists are used to talking of “aggressive–defensive impulses.” Accordingly, one of the typical situations in which laughter occurs is the moment of sudden cessation of
fear caused by some imaginary danger. Rarely is the nature of laughter as an overflow of redundant tensions more strikingly manifested than in the sudden change of expression on a small child’s face...

motivation

...secondary, or learned, motives, which can differ from animal to animal and person to person. Primary motives are thought to include hunger, thirst, sex, avoidance of pain, and perhaps aggression and
fear. Secondary motives typically studied in humans include achievement, power motivation, and numerous other specialized motives.

religious attitudes

...may be called “international religion”—
i.e., that governing relations between men from different areas belonging to different cults. That level of religion, called “
fear of the gods,” is tested when the strong man confronts the weak. The strong man who injures the weak lacks the
fear of the gods; the strong man who helps the weak has the
fear of the gods....